package com.gao.controller;

import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;

/**
 * @Projectname SSM
 * @Filename ExceptionController
 * @Author an
 * @Data 2022/8/6 15:43
 * @Description TODO
 */
//将当前类标识为异常处理的组件
@ControllerAdvice
public class ExceptionController {
    //@ExceptionHandler用于设置所标识方法处理的异常
    @ExceptionHandler(ArithmeticException.class)
//ex表示当前请求处理中出现的异常对象
    public String handleArithmeticException(Exception ex, Model model){
        model.addAttribute("ex", ex);
        return "error";
    }
}
